Discussion (before filing a bug): incorrect behavior when handling long wrapped lines

[Kåre Särs]

Hi,

On Thursday, 10 September 2020 14.10.13 EEST rhkramer at gmail.com wrote:
> Asides:
> 
>    1.  To the best of my knowledge, there is no kwrite-user list, so I'm
> writing here, which I think would be more appropriate anyway.
>    2.  I don't use the lastest versions of kate, instead I use the latest
> versions in Debian Wheezy (most used), Jessie, and Buster.  If after this
> "discussion" it makes any sense, I may try to install the latest version of
> kate.
>    3.  I don't know how best to write this:  Programmers tend not to think
> in terms of paragraphs, but writers do.  For programmers, a line is
> something that typically does not exceed 80 characters and ends with some
> kind of line ending characters.  For a writer, a paragraph is / can be much
> longer than 80 characters (I mean like 2 to quite a few times 80
> characters, eventually ending with some kind of line ending characters.  On
> the screen, and when printing, those long lines wrap to look like a
> paragraph.
> 
> Problem: There are problems with the scrolling behavior when I'm typing such
> a paragraph near the bottom of the kate window (in the midst of a long
> file, which is where I do most of my typing, as opposed to at the end of
> the file).
> 
> In general, instead of scrolling "properly" to keep my typing in view,
> scrolling (in general) does either of two things:
> 
>    * it doesn't scroll as I continue to type text (in wrapped lines) so I
> can't see what I'm typing, or
> 
>    * under some (slightly) different circumstances (but again, typing in
> long lines / paragraphs), the window does scroll (or jump) so that only the
> first line of that paragraph is visible (and, again, I can't see what I'm
> typing).
> 
> In most cases there is a workaround, I manually scroll the paragraph so it
> is not at the bottom of the screen.  (This doesn't work in the ridiculous
> degenerate case where a paragraph fills the entire screen -- I had to try
> that just to see what would happen -- I have to break the long paragraph
> into parts smaller than the window (which is the right thing to do anyway
> ;-)
> 
> My intent:
> 
> Before thinking about filing any bugs, I wanted to ask:
> 
>    * does anyone know if this behavior has been fixed in a version later
> than 18.08.0 (the version in Debian Buster)
> 
>    * if this has not been fixed, are there any kate / kwrite developers that
> would be interested in fixing this

18.08.0 is old :) IIRC there was some fixing for this kind of problems... I 
just tested with 20.08.1 on KDE Neon and I cannot reproduce your problem. I 
think you should try a newer version :)

Regards,
  Kåre